Home / 87,156,010.80-130,720,019.40-26,557,642.80

Finding the Fourth Proportional to 87,156,010.80, 130,720,019.40 and 26,557,642.80

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Solution

The fourth proportional to 87,156,010.80, 130,720,019.40 and 26,557,642.80 is: 39,832,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,010.80 : 130,720,019.40 = 26,557,642.80 : x
  2. Step 2: Convert to fraction form
    87,156,010.80/130,720,019.40 = 26,557,642.80/x
  3. Step 3: Cross multiply
    87,156,010.80x = 130,720,019.40 × 26,557,642.80
  4. Step 4: Simplify right side
    87,156,010.80x = 3,471,615,582,034,270.50
  5. Step 5: Solve for x
    x = 3,471,615,582,034,270.50/87,156,010.80
  6. Step 6: Final answer
    x = 39,832,199.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.